Double assassin and The Serial Killer

On a city,police sirens is always heard every night you wanna know the reason why? well you should read the story first but before that I will introduce the character:
Bear: A assassin who cause trouble every night , he had a wife before but was killed by another assassin when they knew about her ,her wife gave birth to a child before she was killed, bear named the child Jr.Bear ,He is also a masochist.
Jr.Bear: a child who cause trouble to his father, he doesn't know that his father is a assassin ,his mother died after he was born.
Cat:is a rival of bear, she adopted a girl that was born weird this girl was born with no eyes and had rainbow tips in her hair rumors say that she is a demon , cat is a assassin in disguise ,she always took care of her adopted daughter ,she is also a sadist.
Leath: is a girl that was born weird ,she was born with no eyes and as she grow the tip of her hair became rainbow, people always say that she's a demon,leath had two side the good side and the bad side , she is wanted for murder, his nickname is blue bunny but her mother call her bon or bonbon.
The surgen: is a killer that fixes humans and making them immune to pain, once he see's a failure he kills them and hang them with chains in a high place with opera song playing on the background, he is the top 1 serial killer .
-2-24-18